Features: Quick Ship Jewelry Closure: Spring Ring Clasp Stone Millimeter Measurement: 7 Mm Length, 7 Mm Width Metal Color: White Chain Length: 18 Inch Chain Gauge: 040 Pendant Length: 14.5mm Pendant Width: 7.1mm Chain Construction: Box Care: Wipe Clean Authenticity: Lead Glass-Filled Ruby Birthstone: July Birthstone Metal: Sterling Silver Necklace Type: Pendant Necklaces Country of Origin: Imported Lead glass-filled rubies require special care. Avoid ultrasonic cleaners, extreme heat and household chemicals and detergents to preserve the life of your stone. Wear with care and clean with warm, soapy water to maintain the beauty of the stone. Gemstones may be treated and may require special care. Metal may be rhodium plated to enhance appearance and reduce tarnishing. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.